If We Study Identical Twins Who Have Been Separated at Birth

question 91

Multiple Choice

If we study identical twins who have been separated at birth and reared apart, we can

• A) only test the importance of genetic endowment.
• B) learn a lot more abouttelligence than we can by studying thefluence of the environment.
• C) assess the relative contribution of heredity and environment
• D) say very little about the impact of heredity or environment ontelligence.

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Definitions:

Standards of Living

The level of wealth, comfort, material goods, and necessities available to a certain socioeconomic class or geographic area.

Developing Countries

Countries with a low living standard because of less human and physical capital per worker; typified by high rates of illiteracy, high unemployment, high fertility rates, and exports of primary products; also known as low-income and middle-income economies

Physical Capital

The stock of equipment, buildings, vehicles, and machinery that is used to produce goods and services; a factor of production that is not consumed in the production process.

Labor Productivity

The output per worker, assessing how efficiently labor is utilized in production.